body {
    background-image: url('login.jpg');
    background-repeat: no-repeat;
    background-size: 100%;
}
.text-center {
    color: #ffffff;
}
.wrap {
    margin-top: 180px;
}
.tips_error {
    color: #e74c3c;
}
.form-control {
    height: 42px;
}